Pre-heat the oven to 375°F.
Heat the oil in a small frying pan and saute the garlic.
Pour the saute into a casserole dish.
Place half the cheese in the baking dish and spread to cover the bottom.
Combine the remaining ingredients and pour over the cheese in the casserole dish.
Top the dish with the remaining Cheddar slices and bake, uncovered, for 30 minutes.